“草毡表层”的概念、定义、翻译、参考文献-科学参考

单词	草毡表层
释义	草毡表层 Encyclopedia 农学土壤诊断表层释 mattic epipedon草毡表层高寒草甸植被下具高量有机碳和有机物质、活根与死根根系交织缠结形成的毡状表层。又称草毡层。
随便看	positive definite bi linear form positive definite bi-linear form positive definite closed form positive definite form positive definite function positive definite functional positive definite Hermitian matrix positive definite inner product axiom positive definite kernel positive definite matrix positive definiteness positive definite operator positive definite potential positive definite product positive definite quadratic form positive definite scalar product positive definite sequence positive definite solution positive definite space positive definite tensor positive definte rational fanction positive deviation positive diffeomorphism positive diffeomorphisms positive differential

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。